package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

//菜品管理
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    DishService dishService;
    @Autowired
    RedisTemplate redisTemplate;
    //新增菜品
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清理缓存数据(精确清理)
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }
    //菜品分页查询
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    //批量删除菜品
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    //@RequestParam可以通过SpringMVC把1，2，3自动解析成list集合
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除菜品：{}",ids);
        dishService.deleteBatch(ids);
        //将所有菜品的缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }
    //根据id查询菜品
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }
    //修改菜品
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //将所有菜品的缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }
    //起售停售
    @PostMapping("/status/{status}")
    @ApiOperation("起售停售")
    public Result startOrStop(@PathVariable Integer status,Long id){
        log.info("起售停售：{}",status);
        dishService.startOrStop(status,id);
        //将所有菜品的缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }
    //根据分类id查询菜品
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId){
        log.info("根据分类id查询菜品：{}",categoryId);
        List<DishVO> list = dishService.list(categoryId);
        return Result.success(list);
    }
    //清理缓存数据
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}



















